Bitzer screw compressors are 20 years old
- Issue: Vol 92, No 11 (2003)
- Pages: 2-5
- Section: Articles
- URL: https://journal-vniispk.ru/0023-124X/article/view/107023
- DOI: https://doi.org/10.17816/RF107023
- ID: 107023
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Abstract
20 years ago, Bitzer founded a new business area - the production of screw compressors for refrigeration and air conditioning systems. The success and achievements of Bitzer Kulmaschinenbau GmbH began with series production of the OST7061 type screw compressor in the assembly plant in Sindelfingen on January 26, 1983. At that time, annual production was only about 500 compressors. By the end of 2003 it should increase to about 13,600 compressors. The production of this series in 1983 and its successful operation helped to refute the argument that screw compressors with a volumetric capacity of less than 300 m³/h should not be used.
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Anniversary photo at the exhibition celebrating 20 years of series production of Bitzer screw compressors (from left to right): Wolfgang Sandkotter ( Director of General Development), Rolf Dietrich ( Chief Engineer for screw compressors), Hans P. Meurer ( Company Vice President), Klaus Hossner ( Head of the Test Laboratory), Senator Mr. Peter Schaufler ( Managing Director, Owner of Bitzer Kuhlmaschinenbau GmbH), Bert Stenzel ( former Head of Technology and Foresight in the screw compressor industry), Hermann Renz ( Director of Science and Technology) and Uwe Zeeman ( Global Chief Marketing Officer of screw compressors)
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Fig. 1. Refrigeration compressors: a - screw compressor with power consumption of 30...60 kW; b - compressor with rolling rotor with power consumption of 2...4 kW. Already at the beginning of December 1981, an advertisement of new screw compressors, as well as new rotary compressors made by Bitzer, appeared in the CCI newsletter (Germany)
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Fig. 2. Porsche industrial heat pump in Weissach, near Stuttgart
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Fig. 3. Ship water-cooling unit with four OSK7051 compressors operating on R22 (t0 = 0°C, tK = 40°C)
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Fig. 4. Patent No. 48263, issued in 1995 to Bitzer for the production of screw compressors of its own design in China
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Fig. 5. Sketch of the first design of the CSH series compressor developed by leading designer Rolf Dietrich
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Fig. 6. Central for a fast freezing installation with three HSN7061-40/80 type compressors running on R502
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